Find cheap flights from Houston to Seattle - Compare and Save

These are the earliest and latest flight times available from Houston to Seattle:

• Earliest: departs at 6:00 am and lands at 10:53 am
• Latest: departs at 8:55 pm and lands at 1:48 am.

The flight takes about 4h 53m.

Two cabin classes are available on flights from Houston to Seattle:

• Economy Class
• First Class

A nonstop flight from Houston to Seattle takes 4h 53m, covering 1,882 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Houston to Seattle range from $338 to $555, with an average of $446 over the past 12 months. Anything below $338 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 56% above the $446 route average. Book 7 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $254 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $458 for nonstop.

Alaska Airlines is slightly above the route average for timely arrivals, while United Airlines has a lower on-time arrival rate. On-time arrival rates on Houston to Seattle flights are:

• Alaska Airlines: 90% on time
• United Airlines: 88% on time
• Southwest: 80% on time

Overall, flights on this route are punctual 88% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Houston to Seattle flights, with 40% of flights leaving in that window. Afternoon departures account for 40%, evening flights for 20%, and night flights for 0%.

Alaska Airlines is the only airline on the Houston to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Flights from Houston to Seattle may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Seattle/Tacoma Intl (SEA).

Morning flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Houston to Seattle route, 12% of flights were delayed in the past 3 months, with delays averaging 2h 23m.

One-stop flights from Houston to Seattle most commonly connect through:

• Denver Intl (DEN) - 75% of one-stop connections
• Dallas/Fort Worth (DFW) - 12% of one-stop connections
• Ontario (ONT) - 3% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 3% of one-stop connections

Yes. Flexible dates can save you up to 16% on flights from Houston to Seattle. Wednesday is the cheapest departure day at $403 round-trip on average, while Monday is the most expensive at $477, a difference of $74.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Houston and Seattle. The airlines offering nonstop flights on this route include:

• United Airlines
• Alaska Airlines
• Southwest

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 6h 10m, compared with 6h 38m via Salt Lake City (SLC) and 6h 40m via Portland (PDX).

Seattle is 2 hours behind Houston (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Among airlines operating Houston to Seattle flights:

• United Airlines: offers extra legroom; offers free seat selection
• Alaska Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.